68401620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{54287}}^1$

素因数の和:54309

約数の個数: 72

約数和(自身を含む): 237129984

約数和(自身を除く): 168728364

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 54287, 108574, 162861, 217148, 271435, 325722, 380009, 488583, 542870, 651444, 760018, 814305, 977166, 1085740, 1140027, 1520036, 1628610, 1900045, 1954332, 2280054, 2442915, 3257220, 3420081, 3800090, 4560108, 4885830, 5700135, 6840162, 7600180, 9771660, 11400270, 13680324, 17100405, 22800540, 34200810, 68401620]

約数ペア:

[(1, 68401620), (2, 34200810), (3, 22800540), (4, 17100405), (5, 13680324), (6, 11400270), (7, 9771660), (9, 7600180), (10, 6840162), (12, 5700135), (14, 4885830), (15, 4560108), (18, 3800090), (20, 3420081), (21, 3257220), (28, 2442915), (30, 2280054), (35, 1954332), (36, 1900045), (42, 1628610), (45, 1520036), (60, 1140027), (63, 1085740), (70, 977166), (84, 814305), (90, 760018), (105, 651444), (126, 542870), (140, 488583), (180, 380009), (210, 325722), (252, 271435), (315, 217148), (420, 162861), (630, 108574), (1260, 54287)]